Your K/D/A ratio does not go into consideration when skill tier is concerned. It's based on if you win or lose, and how your elo compares to your opponents' elo.
If your skill tier is lower than your opponents' and you win, you gain a larger amount of elo. But if you lose, you will lose a smaller amount of elo.
If your skill tier is higher than your opponents' and you win, you gain a small amount of elo, but if you lose you lose a larger amount.
I was able to get from Decent-ish to...
Posted: Feb 23, 2015